High-quality exhaust manifold by TurboWorks 3mm thick walls guarantee high strength and resistance to cracking Dimensions: Exhaust flange window diameter: 38 / 48mm Turbo flange: T3 Wastegate flange: V-BAND 2.5 "(63mm) A sealed exhaust manifold is the basis for efficiently When the serial manifold is cracked, the exhaust gas energy is not directed to the compressor, which results in a decrease in power and dynamics of the vehicle, increased fuel consumption and increased noise and temperature in the engine compartment. exhaust manifolds also available additional accessories: & nbsp